Translation of sedieren

Naturally, like everyone else, Italian think about themselves that they are the best. They think that Italy is a great nation and a great country, but these thoughts are never aggresive or political.
The tour started soon and we first visited the ruins nearby, which was a ten minutes drive. A tour guide introduced us to each and every pyramid and told us stories about practically every stone.
The young women rowed towards us and tried to sell food and souvenirs. We were not interested and she tried to block us and prevent us from swimming back to our vessel. So we dove beneath her.